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Sacramento NWR Complex ALERTS

Updates are posted here immediately as new information is received. If 'last-updated' timestamp is a few days old, it is because conditions have NOT changed since that time:  last updated 1/6/25 10:18am*

CLOSED (due to flooding): 

  • Delevan NWR Hunt Area
  • Colusa NWR Auto Tour
  • Colusa NWR East-side Hunt Area
  • Sutter NWR Hunt Area

OPEN**: 

  • Sacramento NWR Visitor Center and Nature Store = Limited days and hours
  • Sacramento NWR Auto Tour, Trails, Observation Platforms
  • Sacramento NWR Hunt Area
  • Colusa NWR Trail, Observation Platform
  • Colusa NWR West-side Hunt Area
  • Llano Seco Unit of Steve Thompson NCV WMA – Trail, Observation Platform
  • Sacramento River NWR 

*Before calling the refuge for updates, please review this section of our website or our social media pages. Any new information will be posted here and to our Facebook  and Instagram promptly. 

**Areas are subject to closure without notice. Please use extreme caution when driving the refuges, as flooding can occur without warning and road shoulders are soft and will not support your vehicle. 

Bald Eagle Nest - Sacramento NWR

A young bald eagle pair is nest-building at Sacramento NWR. To help them thrive, please stay in your vehicle and on designated roads. There’s a great alternative viewing area at the bench at Trail Marker 2 on the Wetland Walk Trail. Our Visitor Services team is available on Fridays and Saturdays (subject to change) if you need assistance during your visit. We will continue to monitor the situation and provide updates as needed. Thank you for enjoying wildlife responsibly. 

SACRAMENTO RIVER NATIONAL WILDLIFE REFUGE is part of the Sacramento National Wildlife Refuge Complex. Sacramento River NWR is made up of 30 different units that lie between Red Bluff and Princeton. Twenty-four of the units are partially or entirely open to the public, providing a variety of hiking trails and hunting/fishing opportunities.
Butte City Bridge Project -

Starting March 14, 2022, CalTrans began construction on the new Butte City Bridge at the Sul Norte and Codora Units, and the old structures will be demolished. The Sul Norte and Codora Units will continue to be open to the public through the current parking lot, although road and trail access may be temporarily re-routed to accommodate construction or demolition activity. The SAFETY ZONE adjacent the bridge has been expanded by 150 feet during the construction project - please follow all signs in the field.

Dairy Fire burn area is re-opened to public access - The Dairy Fire of 2021 affected the southern portion of the La Barranca Unit, the western portion of the Todd Island Unit, and the northern portion of the Mooney Unit. Please continue to use caution when visiting this area as tree health may continue to change over time.

Visit Us

Welcome to Sacramento River National Wildlife Refuge!   

Sacramento River NWR offers a variety of recreational activities for visitors across its 24 units that are open to the public: hunting, fishing, hiking, photography, and wildlife viewing.

There are LOTS of recreational opportunities across the Complex, including a Visitor Center, Auto Tours, trails, bicycling, photography, hunting and environmental education.

Sacramento River National Wildlife is one of the 5 National Wildlife Refuges and 3 Wildlife Management Areas that make up the Sacramento National Wildlife Refuge Complex: 

Use the table (below), the left menu (computer), or the top right hamburger menu (three lines on mobile device) to navigate to the information that's most helpful for you:

Check out our VISIT US! page = a one-stop place for all your visiting questions, including:

ActivitiesInformationDirections

Location and Contact Information

      About Us

      The Sacramento River National Wildlife Refuge is part of the Sacramento National Wildlife Refuge Complex. It is located along a 80-mile stretch of the Sacramento River between Red Bluff and Princeton, in Tehama, Butte, Glenn and Colusa Counties. The refuge's 30 properties or Units total 10,353 acres, and consist primarily of restored and remnant riparian riparian
      Definition of riparian habitat or riparian areas.

      Learn more about riparian
      habitats, but also include grasslands and some orchards. 

      Click on the link below to learn more about us!

      What We Do

      • Resource Management

      To help plants and wildlife, Refuge staff uses a variety of habitat management techniques to maintain, recover or enhance plant and wildlife values. Refuge staff carefully consider any management techniques and employ them in varying degrees according to the situation.

      • Conservation and Partnerships

      The Complex is involved in many conservation endeavors, including Comprehensive Conservation Plans, Private Landowner Programs, and the National Wildlife Refuge System Improvement Act.

      Click on the link below to learn more about what we do!

      Our Organization

      National Wildlife Refuge System Improvement Act of 1997:The NWRS Improvement Act defines a unifying mission for all refuges, including a process for determining compatible uses on refuges, and requiring that each refuge be managed according to a CCP. The NWRS Improvement  Act expressly states that wildlife conservation is the priority of System lands and that the Secretary shall ensure that the biological integrity, diversity, and environmental health of refuge lands are maintained. Each refuge must be managed to fulfill the specific purposes for which the refuge was established and the System mission. The first priority of each refuge is to conserve, manage, and if needed, restore fish and wildlife populations and habitats according to its purpose.

      Our Species

      Several threatened, endangered, and sensitive species can be found on the Sacramento River Refuge including Chinook salmon, Valley elderberry longhorn beetle, yellow-billed cuckoos, Swainson's hawks, and bank swallows. 

      Click on the link below to learn more about our Seasons of Wildlife, Wildlife Checklist, Wildlife Surveys, and Our Species....